Investigation of Two-Week Prevalence of the Rural Left-Behind Old People and Analysis on the Relevant Factors:An Example in the West of Hunan Province
CHEN Ying-Chao, LI Ji-Hong, WU Qiu-Gui, GUI Wei-Rong, DENG Yan, HU Bo
journal6 . 2015, (5): 87 -90 .  DOI: 10.3969/j.cnki.jdxb.2015.05.019

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